| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 8.39 | 193006190_CLE_OAK |
| Wes Ferrell | CLE | 4 | 193006180_CLE_OAK |
| Bill Walker | SFN | 3.03 | 193006180_SFN_PIT |
| Ad Liska | MIN | 1.18 | 193006170_MIN_BAL |
| Milt Gaston | BOS | 1.07 | 193006170_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | -2.66 | 193006170_BOS_CHA |
| Guy Bush | CHN | -0.49 | 193006190_ATL_CHN |
| Chet Nichols | PHI | -0.44 | 193006170_PIT_PHI |
| Heinie Meine | PIT | -0.43 | 193006180_SFN_PIT |
| Roy Sherid | NYA | -0.04 | 193006170_NYA_CLE |
Based on accumulated WAA for this season up to 1930-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.71 | Lefty Grove | 115.7 | OAK |
| +004+ | 5.33 | Benny Frey | 101 | CIN |
| +007+ | 4.76 | Dazzy Vance | 92 | LAN |
| +010+ | 4.55 | Ad Liska | 83.7 | MIN |
| +011+ | 4.52 | Bill Walker | 105 | SFN |
| +013+ | 4.27 | Ted Lyons | 112.7 | CHA |
| +014+ | 4.05 | George Pipgras | 94.3 | NYA |
| +015+ | 3.96 | Milt Gaston | 102 | BOS |
| +016+ | 3.68 | Wes Ferrell | 114 | CLE |
| +021+ | 3.21 | George Uhle | 106 | DET |
| +024+ | 2.98 | Rip Collins | 54.3 | BAL |
| +026+ | 2.78 | Mel Harder | 56 | CLE |
| +027+ | 2.75 | Lefty Stewart | 100.7 | BAL |
| +028+ | 2.72 | Danny MacFayden | 100.3 | BOS |
| +032+ | 2.47 | Ray Kolp | 47 | CIN |
| +033+ | 2.46 | Charlie Root | 100.3 | CHN |
| +034+ | 2.22 | Watty Clark | 82.3 | LAN |
| +035+ | 2.16 | Hap Collard | 47.7 | PHI |
| +037+ | 2.06 | Socks Seibold | 103.3 | ATL |
| +039+ | 2.05 | Jumbo Elliott | 84.7 | LAN |
| +040+ | 2.02 | Roy Mahaffey | 70 | OAK |
| +042+ | 1.95 | Bobby Burke | 38 | MIN |
| +043+ | 1.95 | Bump Hadley | 77.3 | MIN |
| +045+ | 1.85 | Pete Appleton | 49.7 | CLE |
| +047+ | 1.75 | Ray Benge | 76.7 | PHI |
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